gh-148665: Enable socket.shutdown function for emscripten (GH-148666)

ryanking13 · miss-islington · commit cfc52eb14ab7 · 2026-07-21T00:46:55.000Z
Re-enable the autoconf check for socket.shutdown on Emscripten, as some Emscripten environments are able to provide this call. (cherry picked from commit 20b7e8e) Co-authored-by: Gyeongjae Choi <gyeongjae@cloudflare.com>
diff --git a/Misc/NEWS.d/next/Library/2026-04-17-05-58-27.gh-issue-148665.AlUajE.rst b/Misc/NEWS.d/next/Library/2026-04-17-05-58-27.gh-issue-148665.AlUajE.rst
@@ -0,0 +1 @@
+socket.shutdown function is now enabled for Emscripten builds. However, if the runtime does not implement the shutdown syscall, it will show "Function not implemented" error.
diff --git a/Platforms/emscripten/config.site-wasm32-emscripten b/Platforms/emscripten/config.site-wasm32-emscripten
@@ -21,9 +21,6 @@ ac_cv_func_eventfd=no
 ac_cv_func_memfd_create=no
 ac_cv_func_prlimit=no
 
-# unsupported syscall, https://github.com/emscripten-core/emscripten/issues/13393
-ac_cv_func_shutdown=no
-
 # The rest is based on pyodide
 # https://github.com/pyodide/pyodide/blob/main/cpython/pyconfig.undefs.h
 

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+socket.shutdown function is now enabled for Emscripten builds. However, if the runtime does not implement the shutdown syscall, it will show "Function not implemented" error.`